organ music to plot your diamond heist to 

These tunes feature in the original (but not the remastered) version of Wallace and Gromit: The Wrong Trousers. These are the best organ covers I could find.
Tie A Yellow Ribbon Round The Ole Oak Tree • Tie A Yellow Ribbon Ro...
Happy Talk • Happy Talk
How Much is That Doggie in the Window? • How Much is That Doggi...